Core i5-6400 vs Engineering Sample 906ED 2.1GHz
Description
The i5-6400 is based on Skylake architecture while the 906ED 2.1GHz is based on Comet Lake.
Using the multithread performance as a reference, the i5-6400 gets a score of 174.1 k points while the 906ED 2.1GHz gets 657.2 k points.
Summarizing, the 906ED 2.1GHz is 3.8 times faster than the i5-6400 . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i5-6400 gets a score of 174.1 k points while the 906ED 2.1GHz gets 657.2 k points.
Summarizing, the 906ED 2.1GHz is 3.8 times faster than the i5-6400 . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
506e3
906ed
Core
Skylake-S
Comet Lake-H
Base frecuency
2.7 GHz
3.6 GHz
Boost frecuency
3.3 GHz
5 GHz
Socket
LGA 1151
LGA 1151
Cores/Threads
4/4
8/16
TDP
65 W
- W
Cache L1 (d+i)
4x32+4x32 kB
8x32+8x32 kB
Cache L2
4x256 kB
8x256 kB
Cache L3
6144 kB
16384 kB
Date
September 2015
March 2020
Mean monothread perf.
48.05k points
86.65k points
Mean multithread perf.
174.05k points
657.19k points
Non-optimized benchmark
The benchmark in Mode 0 (FPU) measures cpu performance with non-optimized software. It uses the basic µinstructions from the i386 architecture with the i387 floating point unit. This mode is compatible with all CPUs so it's practical to compare very different CPUs
Monothread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
3.2k
5.2k (x1.62)
Test#2 (FP)
12.81k
21.19k (x1.65)
Test#3 (Generic, ZIP)
4.18k
6.85k (x1.64)
Test#1 (Memory)
4.3k
15.48k (x3.6)
TOTAL
24.49k
48.71k (x1.99)
Multithread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
11.45k
42.31k (x3.69)
Test#2 (FP)
46.67k
198.07k (x4.24)
Test#3 (Generic, ZIP)
14.69k
68.37k (x4.65)
Test#1 (Memory)
5.92k
7.38k (x1.25)
TOTAL
78.73k
316.12k (x4.02)
SSE3 optimized benchmark
The benchmark in mode I (SSE) is optimized for the use of SIMD instructions with 128 bits register and the SSE set up to version 3. Nearly every modern CPU has support for this mode.
Monothread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
11.56k
18.76k (x1.62)
Test#2 (FP)
16.53k
27.15k (x1.64)
Test#3 (Generic, ZIP)
4.3k
7.15k (x1.67)
Test#1 (Memory)
3.97k
15.31k (x3.86)
TOTAL
36.36k
68.37k (x1.88)
Multithread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
43.01k
156.95k (x3.65)
Test#2 (FP)
64.46k
250.7k (x3.89)
Test#3 (Generic, ZIP)
16.14k
70.02k (x4.34)
Test#1 (Memory)
5.91k
7.43k (x1.26)
TOTAL
129.51k
485.11k (x3.75)
AVX optimized benchmark
The benchmark in mode II (AVX) is optimized to used 256 bits registers beside the first version of the Advanced Vector Extensions (AVX). The first AVX compatible CPU was released in 2011.
Monothread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
11.82k
18.88k (x1.6)
Test#2 (FP)
18.36k
28.5k (x1.55)
Test#3 (Generic, ZIP)
4.43k
6.91k (x1.56)
Test#1 (Memory)
4.95k
14.86k (x3)
TOTAL
39.56k
69.14k (x1.75)
Multithread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
46.04k
157.47k (x3.42)
Test#2 (FP)
69.47k
265.75k (x3.83)
Test#3 (Generic, ZIP)
16.33k
68.86k (x4.22)
Test#1 (Memory)
7.74k
7.38k (x0.95)
TOTAL
139.58k
499.47k (x3.58)
AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
21.1k
33.92k (x1.61)
Test#2 (FP)
18.28k
30k (x1.64)
Test#3 (Generic, ZIP)
4.22k
7.01k (x1.66)
Test#1 (Memory)
4.45k
15.73k (x3.54)
TOTAL
48.05k
86.65k (x1.8)
Multithread
i5-6400
906ED 2.1GHz
Test#1 (Integers)
80.03k
302.78k (x3.78)
Test#2 (FP)
71.1k
278.98k (x3.92)
Test#3 (Generic, ZIP)
16.19k
67.89k (x4.19)
Test#1 (Memory)
6.73k
7.53k (x1.12)
TOTAL
174.05k
657.19k (x3.78)
Performance/W
i5-6400
906ED 2.1GHz
Test#1 (Integers)
1231 points/W